Abstract

Residual re ections of the idler wave in nominally singly resonant optical parametric oscillators can lead to uctuations in the output because the parametric conversion process is sensitive to the phases of the re ected waves. The energy fluctuations in a pulsed optical parametric oscillator are studied experimentally and numerically for single- or multi-longitudinal mode pump beams. We find that the fluctuations are reduced by a multi-mode pump so this may be preferable when unwanted re ections are present. We also observe that the parametric conversion process leads to serious self-focusing of the pump beam, and this limits the maximum safe pump energy.

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  1. J. Falk, "Instabilities in the doubly resonant parametric oscillator: A theoretical analysis," IEEE J. Quantum Electron. QE-7, 230-235 (1971).
  2. R. G. Smith, "A study of factors affecting the performance of a continuously pumped doubly resonant optical parametric oscillator," IEEE J. Quantum Electron. QE-9, 530-541 (1973).
  3. R. C. Eckardt, C. D. Nabors, W. J. Kozlovsky and R. L. Byer, "Optical parametric oscillator frequency tuning and control," J. Opt. Soc. Am. B 8, 646-667 (1991).
  4. M. Scheidt, B. Beier, R. Knappe, K. J. Boller and R. Wallenstein, "Diode-laser-pumped continuous- wave KTP optical parametric oscillator," J. Opt. Soc. Am. B 12, 2087-2094 (1995).
  5. S. T. Yang, R. C. Eckardt and R. L. Byer, "Power and spectral characteristics of continuous- wave parametric oscillators: The doubly to singly resonant transition," J. Opt. Soc. Am. B 10, 1684-1695 (1993).
  6. G. Arisholm, "Quantum noise initiation and macroscopic uctuations in optical parametric oscillators," J. Opt. Soc. Am. B 16, 117-127 (1999).
  7. G. Arisholm, "Advanced numerical simulation models for second-order nonlinear interactions," in "Laser Optics '98: Fundamental Problems of Laser Optics," N. N. Rozanov, ed., Proc. SPIE 3685, 86-97 (1999).
  8. I. Shoji, T. Kondo, A. Kitamoto, M. Shirane and R. Ito, "Absolute scale of second-order nonlinear-optical coefficients," J. Opt. Soc. Am. B 14, 2268-2294 (1997).
  9. D. C. Hovde, J. H. Timmermans, G. Scoles and K. K. Lehmann, "High power injection seeded optical parametric oscillator," Opt. Commun. 86, 294-300 (1991).
  10. J. G. Haub, R. M. Hentschel, M. J. Johnson and B. J. Orr, "Controlling the performance of a pulsed optical parametric oscillator: A survey of techniques and spectroscopic applications," J. Opt. Soc. Am. B 12, 2128-2141 (1995).
  11. R. DeSalvo, D. J. Hagan, M. Sheik-Bahae, G. Stegeman, E. W. van Stryland and H. Vanherzeele, "Self-focusing and self-defocusing by cascaded second-order effects in KTP," Opt. Lett. 17, 28-30 (1992).
  12. J. B. Khurgin, A. Obeidat, S. J. Lee and Y. J. Ding, "Cascaded optical nonlinearities: Microscopic understanding as a collective effect," J. Opt. Soc. Am. B 14, 1977-1983 (1997).
  13. A. V. Smith and M. S. Bowers, "Phase distortions in sum- and difference-frequency mixing in crystals," J. Opt. Soc. Am. B 12, 49-57 (1995).
  14. M. Vaidyanathan, R. C. Eckardt, V. Dominic, L. E. Myers and T. P. Grayson, "Cascaded optical parametric oscillations," Opt. Express 1, 49-53 (1997), http://epubs.osa.org/oearchive/source/2057.htm

Other (14)

J. Falk, "Instabilities in the doubly resonant parametric oscillator: A theoretical analysis," IEEE J. Quantum Electron. QE-7, 230-235 (1971).

R. G. Smith, "A study of factors affecting the performance of a continuously pumped doubly resonant optical parametric oscillator," IEEE J. Quantum Electron. QE-9, 530-541 (1973).

R. C. Eckardt, C. D. Nabors, W. J. Kozlovsky and R. L. Byer, "Optical parametric oscillator frequency tuning and control," J. Opt. Soc. Am. B 8, 646-667 (1991).

M. Scheidt, B. Beier, R. Knappe, K. J. Boller and R. Wallenstein, "Diode-laser-pumped continuous- wave KTP optical parametric oscillator," J. Opt. Soc. Am. B 12, 2087-2094 (1995).

S. T. Yang, R. C. Eckardt and R. L. Byer, "Power and spectral characteristics of continuous- wave parametric oscillators: The doubly to singly resonant transition," J. Opt. Soc. Am. B 10, 1684-1695 (1993).

G. Arisholm, "Quantum noise initiation and macroscopic uctuations in optical parametric oscillators," J. Opt. Soc. Am. B 16, 117-127 (1999).

G. Arisholm, "Advanced numerical simulation models for second-order nonlinear interactions," in "Laser Optics '98: Fundamental Problems of Laser Optics," N. N. Rozanov, ed., Proc. SPIE 3685, 86-97 (1999).

I. Shoji, T. Kondo, A. Kitamoto, M. Shirane and R. Ito, "Absolute scale of second-order nonlinear-optical coefficients," J. Opt. Soc. Am. B 14, 2268-2294 (1997).

D. C. Hovde, J. H. Timmermans, G. Scoles and K. K. Lehmann, "High power injection seeded optical parametric oscillator," Opt. Commun. 86, 294-300 (1991).

J. G. Haub, R. M. Hentschel, M. J. Johnson and B. J. Orr, "Controlling the performance of a pulsed optical parametric oscillator: A survey of techniques and spectroscopic applications," J. Opt. Soc. Am. B 12, 2128-2141 (1995).

R. DeSalvo, D. J. Hagan, M. Sheik-Bahae, G. Stegeman, E. W. van Stryland and H. Vanherzeele, "Self-focusing and self-defocusing by cascaded second-order effects in KTP," Opt. Lett. 17, 28-30 (1992).

J. B. Khurgin, A. Obeidat, S. J. Lee and Y. J. Ding, "Cascaded optical nonlinearities: Microscopic understanding as a collective effect," J. Opt. Soc. Am. B 14, 1977-1983 (1997).

A. V. Smith and M. S. Bowers, "Phase distortions in sum- and difference-frequency mixing in crystals," J. Opt. Soc. Am. B 12, 49-57 (1995).

M. Vaidyanathan, R. C. Eckardt, V. Dominic, L. E. Myers and T. P. Grayson, "Cascaded optical parametric oscillations," Opt. Express 1, 49-53 (1997), http://epubs.osa.org/oearchive/source/2057.htm

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